11352345553 has 4 divisors (see below), whose sum is σ = 11353288500. Its totient is φ = 11351402608.

The previous prime is 11352345551. The next prime is 11352345617. The reversal of 11352345553 is 35554325311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4274152129 + 7078193424 = 65377^2 + 84132^2 .

It is a cyclic number.

It is not a de Polignac number, because 11352345553 - 2¹ = 11352345551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11352345551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453178 + ... + 477571.

It is an arithmetic number, because the mean of its divisors is an integer number (2838322125).

Almost surely, 2^11352345553 is an apocalyptic number.

It is an amenable number.

11352345553 is a deficient number, since it is larger than the sum of its proper divisors (942947).

11352345553 is an equidigital number, since it uses as much as digits as its factorization.

11352345553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942946.

The product of its digits is 135000, while the sum is 37.

The spelling of 11352345553 in words is "eleven billion, three hundred fifty-two million, three hundred forty-five thousand, five hundred fifty-three".